Maternal cytokine profiles during pregnancy predict asthma in children of mothers without asthma

Janet Rothers, Debra A. Stern, I. Carla Lohman, Amber Spangenberg, Anne L. Wright, Avery DeVries, Donata Vercelli, Marilyn Halonen

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

Little is known about whether maternal immune status during pregnancy influences asthma development in the child. We measured cytokine production in supernatants from mitogen-stimulated peripheral blood immune cells collected during and after pregnancy from the mothers of children enrolled in the Tucson Infant Immune Study, a nonselected birth cohort. Physician-diagnosed active asthma in children through age 9 and a history of asthma in their mothers were assessed through questionnaires. Maternal production of each of the cytokines IL-13, IL-4, IL-5, IFN-g, IL-10, and IL-17 during pregnancy was unrelated to childhood asthma. However, IFN-g/IL-13 and IFN-g/IL-4 ratios during pregnancy were associated with a decreased risk of childhood asthma (n = 381; odds ratio [OR], 0.33; 95% confidence interval [CI], 0.17–0.66; P = 0.002; and n = 368; OR, 0.36; 95% CI, 0.18–0.71; P = 0.003, respectively). The inverse relations of these two ratios with childhood asthma were only evident in mothers without asthma (n = 309; OR, 0.18; 95% CI, 0.08–0.42; P = 0.00007; and n = 299; OR, 0.17; 95% CI, 0.07–0.39; P = 0.00003, respectively) and not in mothers with asthma (n = 72 and 69, respectively; P for interaction by maternal asthma = 0.036 and 0.002, respectively). Paternal cytokine ratios were unrelated to childhood asthma. Maternal cytokine ratios in mothers without asthma were unrelated to the children’s skin-test reactivity, total IgE, physician-confirmed allergic rhinitis at age 5, or eczema in infancy. To our knowledge, this study provides the first evidence that cytokine profiles in pregnant mothers without asthma relate to the risk for childhood asthma, but not allergy, and suggests a process of asthma development that begins in utero and is independent of allergy.

Original languageEnglish (US)
Pages (from-to)592-600
Number of pages9
JournalAmerican journal of respiratory cell and molecular biology
Volume59
Issue number5
DOIs
StatePublished - Nov 2018

Keywords

  • Asthma
  • Children
  • Cytokines
  • Maternal
  • Pregnancy

ASJC Scopus subject areas

  • Molecular Biology
  • Pulmonary and Respiratory Medicine
  • Clinical Biochemistry
  • Cell Biology

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